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广州做网站信科建设,网页版的微信,iis 临时网站,站长工具seo排名背景 本课题聚焦南昌房价数据零散杂乱、影响因素分析不深入及市场洞察缺乏直观支撑等痛点#xff0c;设计并实现基于Spark大数据的南昌房价数据分析系统。系统依托Spark大数据技术的高效分布式处理优势#xff0c;整合南昌房价数据采集、清洗预处理、多维度分析及可视化展示等…背景本课题聚焦南昌房价数据零散杂乱、影响因素分析不深入及市场洞察缺乏直观支撑等痛点设计并实现基于Spark大数据的南昌房价数据分析系统。系统依托Spark大数据技术的高效分布式处理优势整合南昌房价数据采集、清洗预处理、多维度分析及可视化展示等核心场景涵盖南昌各区域房价基础数据采集小区名称、户型、面积、单价、总价、建成年代、配套设施等、数据清洗去重与格式标准化、多维度分析区域房价分布、户型与价格关联性、房龄与价格趋势、配套设施对房价影响、房价年度/月度波动等、交互式可视化图表生成柱状图、折线图、热力图、散点图等、数据分析报告导出等功能旨在打破传统南昌房价研究依赖人工整理、分析效率低且呈现直观性差的局限为房产行业从业者、购房者及研究人员提供精准高效的房价分析与可视化工具。系统核心实现海量南昌房价数据高效采集与分布式处理、多维度房价深度挖掘、交互式可视化呈现、数据安全管理等功能前端采用响应式设计适配多终端访问后端基于Spark生态Spark Core、Spark SQL等结合Python构建核心架构搭配MySQL实现数据存储、Redis优化缓存性能。课题研究不仅为相关人员提供全面、直观的南昌房价洞察还为房产市场趋势研判、购房决策规划、行业政策制定提供数据支撑对推动南昌房地产行业研究数字化、精细化发展具有重要实践价值。前言博主介绍✌全网粉丝30W,csdn特邀作者、博客专家、CSDN新星计划导师、Java领域优质创作者,博客之星、掘金/华为云/阿里云/InfoQ等平台优质作者、专注于Java技术领域和学生毕业项目实战,高校老师/讲师/同行交流合作✌主要内容SpringBoot、Vue、SSM、HLMT、Jsp、PHP、Nodejs、Python、爬虫、数据可视化、小程序、安卓app、大数据、物联网、机器学习等设计与开发。文末获取源码联系精彩专栏 推荐订阅2025-2026年最值得选的微信小程序毕业设计选题大全100个热门选题推荐✅2025-2026年最值得选的Java毕业设计选题大全500个热门选题推荐✅Java毕业设计项目精品实战案例《3000套》微信小程序毕业设计项目精品案例《3000套》文末获取源码数据库系统截图开发技术介绍Java项目Java项目前端Vue后端java的ssmspringboot框架数据库mysql前后端分离。Python项目Java项目前端Vue后端Python的flaskDjango框架数据库mysql前后端分离。核心代码packagecom.controller;importjava.text.SimpleDateFormat;importjava.util.ArrayList;importjava.util.Arrays;importjava.util.Calendar;importjava.util.Map;importjava.util.HashMap;importjava.util.Iterator;importjava.util.Date;importjava.util.List;importjavax.servlet.http.HttpServletRequest;importcom.utils.ValidatorUtils;importorg.apache.commons.lang3.StringUtils;importorg.springframework.beans.factory.annotation.Autowired;importorg.springframework.format.annotation.DateTimeFormat;importorg.springframework.web.bind.annotation.PathVariable;importorg.springframework.web.bind.annotation.RequestBody;importorg.springframework.web.bind.annotation.RequestMapping;importorg.springframework.web.bind.annotation.RequestParam;importorg.springframework.web.bind.annotation.RestController;importcom.baomidou.mybatisplus.mapper.EntityWrapper;importcom.baomidou.mybatisplus.mapper.Wrapper;importcom.annotation.IgnoreAuth;importcom.entity.ChatEntity;importcom.entity.view.ChatView;importcom.service.ChatService;importcom.service.TokenService;importcom.utils.PageUtils;importcom.utils.R;importcom.utils.MD5Util;importcom.utils.MPUtil;importcom.utils.CommonUtil;/** * 在线客服 * 后端接口 * author * email * date 2021-03-13 12:49:51 */RestControllerRequestMapping(/chat)publicclassChatController{AutowiredprivateChatServicechatService;/** * 后端列表 */RequestMapping(/page)publicRpage(RequestParamMapString,Objectparams,ChatEntitychat,HttpServletRequestrequest){if(!request.getSession().getAttribute(role).toString().equals(管理员)){chat.setUserid((Long)request.getSession().getAttribute(userId));}EntityWrapperChatEntityewnewEntityWrapperChatEntity();PageUtilspagechatService.queryPage(params,MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew,chat),params),params));returnR.ok().put(data,page);}/** * 前端列表 */RequestMapping(/list)publicRlist(RequestParamMapString,Objectparams,ChatEntitychat,HttpServletRequestrequest){if(!request.getSession().getAttribute(role).toString().equals(管理员)){chat.setUserid((Long)request.getSession().getAttribute(userId));}EntityWrapperChatEntityewnewEntityWrapperChatEntity();PageUtilspagechatService.queryPage(params,MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew,chat),params),params));returnR.ok().put(data,page);}/** * 列表 */RequestMapping(/lists)publicRlist(ChatEntitychat){EntityWrapperChatEntityewnewEntityWrapperChatEntity();ew.allEq(MPUtil.allEQMapPre(chat,chat));returnR.ok().put(data,chatService.selectListView(ew));}/** * 查询 */RequestMapping(/query)publicRquery(ChatEntitychat){EntityWrapperChatEntityewnewEntityWrapperChatEntity();ew.allEq(MPUtil.allEQMapPre(chat,chat));ChatViewchatViewchatService.selectView(ew);returnR.ok(查询在线客服成功).put(data,chatView);}/** * 后端详情 */RequestMapping(/info/{id})publicRinfo(PathVariable(id)Longid){ChatEntitychatchatService.selectById(id);returnR.ok().put(data,chat);}/** * 前端详情 */RequestMapping(/detail/{id})publicRdetail(PathVariable(id)Longid){ChatEntitychatchatService.selectById(id);returnR.ok().put(data,chat);}/** * 后端保存 */RequestMapping(/save)publicRsave(RequestBodyChatEntitychat,HttpServletRequestrequest){chat.setId(newDate().getTime()newDouble(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(chat);if(StringUtils.isNotBlank(chat.getAsk())){chatService.updateForSet(isreply0,newEntityWrapperChatEntity().eq(userid,request.getSession().getAttribute(userId)));chat.setUserid((Long)request.getSession().getAttribute(userId));chat.setIsreply(1);}if(StringUtils.isNotBlank(chat.getReply())){chatService.updateForSet(isreply0,newEntityWrapperChatEntity().eq(userid,chat.getUserid()));chat.setAdminid((Long)request.getSession().getAttribute(userId));}chatService.insert(chat);returnR.ok();}/** * 前端保存 */RequestMapping(/add)publicRadd(RequestBodyChatEntitychat,HttpServletRequestrequest){chat.setId(newDate().getTime()newDouble(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(chat);chat.setUserid((Long)request.getSession().getAttribute(userId));if(StringUtils.isNotBlank(chat.getAsk())){chatService.updateForSet(isreply0,newEntityWrapperChatEntity().eq(userid,request.getSession().getAttribute(userId)));chat.setUserid((Long)request.getSession().getAttribute(userId));chat.setIsreply(1);}if(StringUtils.isNotBlank(chat.getReply())){chatService.updateForSet(isreply0,newEntityWrapperChatEntity().eq(userid,chat.getUserid()));chat.setAdminid((Long)request.getSession().getAttribute(userId));}chatService.insert(chat);returnR.ok();}/** * 修改 */RequestMapping(/update)publicRupdate(RequestBodyChatEntitychat,HttpServletRequestrequest){//ValidatorUtils.validateEntity(chat);chatService.updateById(chat);//全部更新returnR.ok();}/** * 删除 */RequestMapping(/delete)publicRdelete(RequestBodyLong[]ids){chatService.deleteBatchIds(Arrays.asList(ids));returnR.ok();}/** * 提醒接口 */RequestMapping(/remind/{columnName}/{type})publicRremindCount(PathVariable(columnName)StringcolumnName,HttpServletRequestrequest,PathVariable(type)Stringtype,RequestParamMapString,Objectmap){map.put(column,columnName);map.put(type,type);if(type.equals(2)){SimpleDateFormatsdfnewSimpleDateFormat(yyyy-MM-dd);CalendarcCalendar.getInstance();DateremindStartDatenull;DateremindEndDatenull;if(map.get(remindstart)!null){IntegerremindStartInteger.parseInt(map.get(remindstart).toString());c.setTime(newDate());c.add(Calendar.DAY_OF_MONTH,remindStart);remindStartDatec.getTime();map.put(remindstart,sdf.format(remindStartDate));}if(map.get(remindend)!null){IntegerremindEndInteger.parseInt(map.get(remindend).toString());c.setTime(newDate());c.add(Calendar.DAY_OF_MONTH,remindEnd);remindEndDatec.getTime();map.put(remindend,sdf.format(remindEndDate));}}WrapperChatEntitywrappernewEntityWrapperChatEntity();if(map.get(remindstart)!null){wrapper.ge(columnName,map.get(remindstart));}if(map.get(remindend)!null){wrapper.le(columnName,map.get(remindend));}intcountchatService.selectCount(wrapper);returnR.ok().put(count,count);}}源码获取文章下方名片联系我即可~✌大家点赞、收藏、关注、评论啦 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